249132650 has 24 divisors (see below), whose sum is σ = 499033164. Its totient is φ = 91987200.

The previous prime is 249132643. The next prime is 249132659. The reversal of 249132650 is 56231942.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6115729 + 243016921 = 2473^2 + 15589^2 .

It is a super-3 number, since 3×249132650³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (249132659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190991 + ... + 192290.

Almost surely, 2^249132650 is an apocalyptic number.

249132650 is an abundant number, since it is smaller than the sum of its proper divisors (249900514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249132650 is a wasteful number, since it uses less digits than its factorization.

249132650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383306 (or 383301 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 249132650 is about 15783.9364545097. The cubic root of 249132650 is about 629.2311524526.

The spelling of 249132650 in words is "two hundred forty-nine million, one hundred thirty-two thousand, six hundred fifty".